./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbd82567 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b657fa85d3094e08d2f44296b039a2c61bf4699 ................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b657fa85d3094e08d2f44296b039a2c61bf4699 ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-cbd8256-m [2018-11-28 11:47:44,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:47:44,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:47:44,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:47:44,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:47:44,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:47:44,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:47:44,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:47:44,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:47:44,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:47:44,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:47:44,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:47:44,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:47:44,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:47:44,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:47:44,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:47:44,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:47:44,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:47:44,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:47:44,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:47:44,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:47:44,116 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:47:44,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:47:44,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:47:44,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:47:44,122 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:47:44,123 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:47:44,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:47:44,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:47:44,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:47:44,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:47:44,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:47:44,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:47:44,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:47:44,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:47:44,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:47:44,131 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:47:44,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:47:44,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:47:44,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:47:44,150 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:47:44,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:47:44,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:47:44,151 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:47:44,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:47:44,151 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:47:44,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:47:44,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:47:44,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:47:44,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:47:44,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:47:44,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:47:44,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:47:44,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:47:44,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:47:44,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:47:44,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:47:44,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:47:44,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:47:44,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:47:44,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:44,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:47:44,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:47:44,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:47:44,158 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:47:44,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:47:44,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:47:44,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-28 11:47:44,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:47:44,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:47:44,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:47:44,226 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:47:44,227 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:47:44,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:44,298 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d785012d/c5a1b4fe9cdb48bdb65f30259ded6caf/FLAG6443ffdfa [2018-11-28 11:47:44,863 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:47:44,864 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:44,883 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d785012d/c5a1b4fe9cdb48bdb65f30259ded6caf/FLAG6443ffdfa [2018-11-28 11:47:45,132 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d785012d/c5a1b4fe9cdb48bdb65f30259ded6caf [2018-11-28 11:47:45,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:47:45,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:47:45,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:45,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:47:45,153 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:47:45,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:45" (1/1) ... [2018-11-28 11:47:45,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6065a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:45, skipping insertion in model container [2018-11-28 11:47:45,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:45" (1/1) ... [2018-11-28 11:47:45,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:47:45,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:47:45,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:45,740 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:47:45,957 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:46,046 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:47:46,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46 WrapperNode [2018-11-28 11:47:46,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:46,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:46,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:47:46,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:47:46,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:46,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:47:46,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:47:46,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:47:46,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... [2018-11-28 11:47:46,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:47:46,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:47:46,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:47:46,183 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:47:46,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:47:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:47:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:47:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:47:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:47:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:47:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:47:46,283 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:47:46,855 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:47:46,856 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:47:46,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:46 BoogieIcfgContainer [2018-11-28 11:47:46,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:47:46,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:47:46,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:47:46,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:47:46,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:47:45" (1/3) ... [2018-11-28 11:47:46,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f494150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:46, skipping insertion in model container [2018-11-28 11:47:46,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:46" (2/3) ... [2018-11-28 11:47:46,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f494150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:46, skipping insertion in model container [2018-11-28 11:47:46,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:46" (3/3) ... [2018-11-28 11:47:46,868 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:46,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,903 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,904 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,904 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,905 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,905 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,906 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,906 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,906 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,907 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,908 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,908 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,908 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,908 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,908 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,909 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,910 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,910 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,912 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,912 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,912 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,912 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,914 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,915 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,915 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,916 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:46,934 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:47:46,934 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:47:46,943 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:47:46,962 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:47:46,992 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:47:46,993 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:47:46,993 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:47:46,993 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:47:46,993 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:47:46,993 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:47:46,994 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:47:46,994 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:47:46,994 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:47:47,004 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-28 11:47:47,019 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 11:47:47,023 INFO L168 Benchmark]: Toolchain (without parser) took 1881.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:47,025 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:47,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:47,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:47,028 INFO L168 Benchmark]: Boogie Preprocessor took 67.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:47,028 INFO L168 Benchmark]: RCFGBuilder took 673.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:47,029 INFO L168 Benchmark]: TraceAbstraction took 164.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:47,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 901.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 673.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 164.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-cbd8256-m [2018-11-28 11:47:49,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:47:49,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:47:49,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:47:49,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:47:49,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:47:49,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:47:49,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:47:49,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:47:49,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:47:49,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:47:49,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:47:49,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:47:49,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:47:49,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:47:49,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:47:49,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:47:49,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:47:49,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:47:49,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:47:49,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:47:49,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:47:49,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:47:49,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:47:49,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:47:49,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:47:49,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:47:49,624 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:47:49,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:47:49,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:47:49,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:47:49,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:47:49,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:47:49,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:47:49,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:47:49,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:47:49,640 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:47:49,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:47:49,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:47:49,670 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:47:49,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:47:49,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:47:49,673 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:47:49,673 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:47:49,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:47:49,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:47:49,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:47:49,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:47:49,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:47:49,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:47:49,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:47:49,676 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:47:49,676 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:47:49,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:47:49,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:47:49,677 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:47:49,677 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:47:49,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:47:49,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:47:49,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:47:49,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:47:49,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:49,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:47:49,680 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:47:49,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:47:49,681 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:47:49,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:47:49,682 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:47:49,682 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:47:49,682 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-28 11:47:49,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:47:49,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:47:49,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:47:49,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:47:49,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:47:49,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:49,842 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a134826b5/7a2344ebe9764089a489559ee2c6ce1d/FLAGe7570d4f9 [2018-11-28 11:47:50,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:47:50,376 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:50,389 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a134826b5/7a2344ebe9764089a489559ee2c6ce1d/FLAGe7570d4f9 [2018-11-28 11:47:50,657 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a134826b5/7a2344ebe9764089a489559ee2c6ce1d [2018-11-28 11:47:50,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:47:50,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:47:50,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:50,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:47:50,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:47:50,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:50" (1/1) ... [2018-11-28 11:47:50,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54236e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:50, skipping insertion in model container [2018-11-28 11:47:50,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:50" (1/1) ... [2018-11-28 11:47:50,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:47:50,733 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:47:51,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:51,293 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:47:51,439 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:51,512 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:47:51,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51 WrapperNode [2018-11-28 11:47:51,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:51,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:51,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:47:51,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:47:51,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:51,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:47:51,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:47:51,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:47:51,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... [2018-11-28 11:47:51,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:47:51,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:47:51,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:47:51,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:47:51,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:47:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:47:51,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:47:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:47:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:47:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:47:51,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:47:51,684 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:47:52,212 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:47:52,212 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:47:52,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:52 BoogieIcfgContainer [2018-11-28 11:47:52,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:47:52,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:47:52,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:47:52,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:47:52,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:47:50" (1/3) ... [2018-11-28 11:47:52,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c55101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:52, skipping insertion in model container [2018-11-28 11:47:52,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:51" (2/3) ... [2018-11-28 11:47:52,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c55101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:52, skipping insertion in model container [2018-11-28 11:47:52,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:52" (3/3) ... [2018-11-28 11:47:52,226 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-28 11:47:52,268 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,268 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,269 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,269 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,269 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,270 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,270 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,270 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,271 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,271 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,271 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,271 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,272 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,272 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,272 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,272 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,272 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,273 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,274 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,274 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,274 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,274 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,274 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,275 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,276 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,276 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,276 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,278 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,278 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,279 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,279 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,279 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,279 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,280 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,280 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,281 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,281 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,281 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,281 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,281 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,284 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,284 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,284 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,285 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,285 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,285 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,285 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,285 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,286 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,291 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,291 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:47:52,310 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:47:52,310 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:47:52,319 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:47:52,338 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:47:52,362 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:47:52,363 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:47:52,363 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:47:52,363 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:47:52,363 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:47:52,363 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:47:52,363 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:47:52,363 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:47:52,364 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:47:52,373 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-28 11:47:52,386 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 11:47:52,391 INFO L168 Benchmark]: Toolchain (without parser) took 1728.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -116.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:52,393 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:52,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:52,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:52,395 INFO L168 Benchmark]: Boogie Preprocessor took 36.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:52,396 INFO L168 Benchmark]: RCFGBuilder took 597.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:52,397 INFO L168 Benchmark]: TraceAbstraction took 174.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:52,404 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 849.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 597.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...